Libby has a square box of chocolate. The chocolates are arranged evenly in rows. Each chocolate piece in the box takes up one sq
2 answers:
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Answer:
Step-by-step explanation:
Subtract v from both sides
Simplify
Switch sides
Group like terms
Subtract the numbers: 2 - 42 = -40
Add 40 to both sides
Simplify
Divide both sides by 7
Simplify
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Answer:
Step-by-step explanation:
If you are looking for a missing angle measure, you use the 2nd button and the cos button. Make sure, first off, that your calculator is in "degree" mode by hitting the "mode" button and making sure that the "degree" is highlighed and not the "radian". Then hit "clear". Once you know that you are in the correct mode, hit "2nd" then "cos" and you will see this on your screen:
Inside the parenthesis you will enter your decimal, so it looks like this now:
You do NOT have to close the parenthesis, but you can if you want to. Then hit "enter" to get that the angle that has a cosine of .7431 is 42.0038314 or, to the nearest degree, 42